Dress future CEOs in the Under Armour® I Make the Rules T-Shirt and Shorts Set. This 2-piece set includes a graphic tee featuring puff sleeves and a screen print at front; and shorts featuring a wide elastic waistband, side screen prints, and contrast trim. Under Armour I Make the Rules Set makes a great baby shower gift. T-shirt: 95% polyester/5% spandex. Shorts: 92% polyester/8% spandex. Machine wash. Imported.